57 lines
1.6 KiB
Lua
57 lines
1.6 KiB
Lua
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-- Licensed under the GNU General Public License v2
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-- * (c) 2010, Adrian C. <anrxc@sysphere.org>
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-- * (c) 2009, Lucas de Vries <lucas@glacicle.com>
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---------------------------------------------------
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-- {{{ Grab environment
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local tonumber = tonumber
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local io = { popen = io.popen }
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local setmetatable = setmetatable
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local string = {
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match = string.match,
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format = string.format
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}
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-- }}}
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-- FS: provides file system disk space usage
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module("vicious.fs")
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-- {{{ Helper functions
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local function uformat(array, key, value)
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array["{"..key.."_mb}"] = string.format("%.1f", value/1024)
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array["{"..key.."_gb}"] = string.format("%.1f", value/1024/1024)
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return array
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end
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-- }}}
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-- {{{ Filesystem widget type
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local function worker(format, nfs)
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-- Fallback to listing only local file systems
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if nfs then nfs = "" else nfs = "--local" end
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-- Get data from df
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local f = io.popen("LANG=C df -kP " .. nfs)
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local fs_info = {}
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for line in f:lines() do
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if not string.match(line, "^Filesystem.*") then
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local s, u, a, p, m = string.match(line, -- Match all at once (including NFS)
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"^[%w%p]+[%s]+([%d]+)[%s]+([%d]+)[%s]+([%d]+)[%s]+([%d]+)%%[%s]+([%w%p]+)$")
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uformat(fs_info, m .. " size", s)
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uformat(fs_info, m .. " used", u)
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uformat(fs_info, m .. " avail", a)
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fs_info["{" .. m .. " used_p}"] = tonumber(p)
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end
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end
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f:close()
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return fs_info
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end
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-- }}}
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setmetatable(_M, { __call = function(_, ...) return worker(...) end })
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